Apparatus for heating cars



No. 610,997. Patented Sept. 20, |898. J. F. McELROY.

APPARATUS FOR HEATING CARS.

(Appnction med mar. 1o, 1387.)

l l l l W/7'NESSES.' NVENTOH UNiTnD Si TArnsy PATENT' Friend.

JAMES F. MCELROY, OE LANSING, MICHIGAN, ASSIGNOR, BY MESNE ASSIGN- MENTS, TO THE CONSOLIDATED CAR-HEATING COMPANY, OF WHEELING, WEST VIRGINIA. I

APPARATUS FOR HEATING CARS.

SPECIFICATION forming part of Letters Patent No. 610,997, dated September 20, 1898.

Application filed March 10, 18,87. Serial No. 230,339. (No model.)

T0 allwhom t may concern: Yis an innercasingconcentricallyarranged Be it known that I, JAMES F. MCELROY, of in relation to the 'casing A' and forming be- Lansing, in the county of Ingham and State tween the two casings a water-receptacle C'. ofMichigan,have invented newand usefulIm- D4 is the eduction or outgoing pipe from 5 provements in Apparatus for Heating Cars; the top of the receptacle C', connecting with 55l and Ido hereby declare that the following is the radiator or circulating pipes D5 in the car, a full, clear, and exact description thereof, and C4 is the induction or return pipe conreference being had to the accompanying necting into the lower part of the receptacle. drawings, which form a part of this speciiica- K' is a pipe-coil passing through the wa- Io tion. ter-receptacle C. This coil is connected at 6o This invention relates to new and useful its upper end with the train-pipe by the branch improvements in apparatus for heating cars. steam-supply pipe L', and at its lower end it The object of my invention is to provide al connects into the exit-pipe B4, I extending hotwater carheating circulating system; through the floor of the car, to carry off the i 5 and it consists in the peculiar construction, water of condensation. The supply-pipe is 65 arrangement, and combination of the various provided with a suitable controlling-valve, parts, as more fully hereinafter described. and the exit-pipe preferably with an air-valve In thedrawings,Figurelisa diagrammatic J of any suitable construction. The exitelevation of a railway locomotive and oar, the pipe is preferably provided witha steam-trap. zo latter in section and showing the heater also (Not shown.)

in section. Fig. 2 is an enlarged section The operation is as follows: When the train through the water-heater. is connected with the locomotive and steam A represents the locomotive,Bthe cab, and is available through the train-pipe, it will D a railway-car, all of usual construction. enter the coil K'. The circulating system z 5 B"y is a suitable steam-supply pipe from the being filled with water, that portion of the 75 steam-space ofthe locomotive. This is shown water in the receptacle C' will be heated by connected to atrain or main supply pipe HH', the steam-coil, and the heated water will rise extending rearwardly and connected between and flow through the circulating-pipes, radithe cars by suitable couplings Z. ating its heat into the car and returnin g to be 3o In the latter drawings I have shown a tank reheated in the receptacle. 8o A', through which the pipe B" connects with In case the locomotive is detached, so steam the train pipe, and a pipe B' for exhaustis not available, the furnace may be used. A steam leading into said tank; but I do not fire therein will impart its heat through the herein show or claim the means for utilizing casing Y to the water in the receptacle and 3 5 exhaust-steam. These may be omitted, and heat and circulate the saine. 85 the pipe B" may be connected directly with It will also be seen that in either use of my the train-pipe, but preferably having a presheater the heater itself acts as awater-heater, sure-regulating valve, such as C', to reduce radiating its heat into the oar.

,the pressure. What I claim as my invention is 4o The train-pipe I preferably provide with a l. Inacar-heating system, the combination 9o trap E' for removing the water of condensawith a car, of a water-receptacle within said tion. This trap may be of any desired concar provided with a system of circulating hotstruction. water pipes extending through the car, of a The train-pipe H H' forms a conduit for the main steam-pipe extending from the locomo- 45 steam to the heaters on the carssuch, for tive to saidcar, a steam-coil inclosed within 95 instance, as shown in Fig. 2. This heater I said receptacle and connected with the main have shown constructed as follows: steam-pipe to heat water in said receptacle,

A'is the easing of the heater, having a fura and a combustion-chamber within the recepnace E3, a combustion-chamber F", ash-pit tacle, substantially as described. 5o I, and smokepipe G'. 2. Inacar-heatingsystem, the combination 10o of a heater composed of an inner casing and an outer casing concentrically arranged ,forming between them a space for Water, said inner casing having Wit-hin it a combustionchamber in combination with circulatingpipes communicating with the space between the casings, a steam-coil passing through said space and a source of steam connected with the coil, substantially as described.

3. In a ear-heating system, the combination with a hot-Water-circulating system Within the car, provided with a Water-heater having a local sourceof heat Within the same as a means of heating the Water therein, of a main supply-pipe in the car, adapted to be connected With a distant source of steam, and an open branch pipe extending from the main pipe through the Water in the heater, to a point below the bottom of thecar to discharge the Water of condensation, substantially as described.

JAMES F. MCELRO Y.

Witnesses:

U. G. RACE, L. C. BUTLER. 

